| Point Forecast: 2 Miles S Washington-Dulles International Airport VA 38.93N 77.45W (Elev. 299 ft) |
Last Update: 1:29 pm EDT Jun 24, 2024 |
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| Date | 06/24 | 06/25 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 90 | 89 | 86 | 84 | 81 | 78 | 76 | 73 | 71 | 70 | 68 | 66 | 65 | 63 | 62 | 64 | 69 | 73 | 79 | 82 | 85 | 87 | 89 | 91 |
| Dewpoint (°F) | 53 | 53 | 53 | 53 | 54 | 54 | 55 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 58 | 58 | 58 | 57 | 56 | 56 | 57 | 57 |
| Heat Index (°F) | 88 | 87 | 84 | 83 | 81 | 78 | 76 | 79 | 82 | 84 | 86 | 88 | 90 | |||||||||||
| Surface Wind (mph) | 18 | 18 | 16 | 14 | 10 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 8 |
| Wind Dir | N | N | N | N | N | N | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | SW | SW | SW | SW | SW |
| Gust | 29 | 30 | 26 | 22 | ||||||||||||||||||||
| Sky Cover (%) | 25 | 25 | 21 | 18 | 19 | 15 | 11 | 7 | 4 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 1 | 5 | 12 | 15 | 16 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 28 | 29 | 32 | 34 | 39 | 43 | 48 | 55 | 59 | 59 | 63 | 68 | 70 | 75 | 81 | 75 | 68 | 59 | 49 | 43 | 37 | 35 | 34 | 32 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/26 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 91 | 91 | 90 | 89 | 87 | 84 | 81 | 79 | 77 | 75 | 74 | 73 | 72 | 71 | 71 | 73 | 76 | 80 | 85 | 89 | 92 | 94 | 95 | 96 |
| Dewpoint (°F) | 57 | 58 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 62 | 63 | 64 | 65 | 66 | 66 | 67 | 67 | 67 | 67 | 67 |
| Heat Index (°F) | 90 | 90 | 89 | 88 | 87 | 84 | 82 | 79 | 77 | 75 | 76 | 82 | 87 | 92 | 96 | 98 | 99 | 100 | ||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 |
| Wind Dir | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 19 | 20 | 23 | 24 | 27 | 29 | 32 | 34 | 36 | 38 | 33 | 28 | 23 | 29 | 36 | 43 | 40 | 38 | 36 | 42 | 48 | 54 | 61 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 11 | 60 | 60 |
| Relative Humidity (%) | 32 | 33 | 35 | 37 | 40 | 44 | 49 | 52 | 56 | 60 | 64 | 66 | 68 | 73 | 76 | 73 | 69 | 62 | 53 | 48 | 44 | 41 | 40 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
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